Lurninaries of 2000 lurnens output will be installed in a room . The desired illurnination is 200 foot candles. The coefficient of utilization is 0.45 and maintenan ce factor is 90%. Determin e the num ber of luminaries needed if the size of th e room is 120 m 2.

Lurninaries of 2000 lurnens output will be installed in a room . The desired illurnination is 200 foot candles. The coefficient of utilization is 0.45 and maintenan ce factor is 90%. Determin e the num ber of luminaries needed if the size of th e room is 120 m 2.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Question

Luminaries
of 2000 lumens output will be installed in a room. The desired illumination
is 00 foot
candles. The coefficient of utilization is 0.45 and m aintenan ce factor is 90%. Determine the num ber of
luminaries needed if the size of the room is 120 m 2.

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